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2. Get To Work Five Minutes Before Your Boss And Leave Five Minutes After

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Short of putting a hand on the hood to feel if the engine's hot, there's no way people can tell how long your car has been in the lot, and even then there’s no exact science. Your car's either “there” or “not there.” You only have to beat people to work by a couple minutes to give the impression you came in early. The same goes for leaving at night.

Energy Expended: Moderate. You're spending more time at work, which is distasteful.